22071724110 has 144 divisors (see below), whose sum is σ = 60965644896. Its totient is φ = 5539218048.

The previous prime is 22071724099. The next prime is 22071724153. The reversal of 22071724110 is 1142717022.

It is a happy number.

It is a super-2 number, since 2×22071724110² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5098767 + ... + 5103093.

It is an arithmetic number, because the mean of its divisors is an integer number (423372534).

Almost surely, 2^22071724110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22071724110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30482822448).

22071724110 is an abundant number, since it is smaller than the sum of its proper divisors (38893920786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22071724110 is a wasteful number, since it uses less digits than its factorization.

22071724110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4513 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The spelling of 22071724110 in words is "twenty-two billion, seventy-one million, seven hundred twenty-four thousand, one hundred ten".